Yes, I have just seen it, AX11000 Merlin, beta 3.
Unfortunately, VPN Fusion is disabled in the Merlin firmware, and that was the main reason to buy this router... I hope they would improve on the VPN Functionality, but that's it.
I have the ASUS RT-AX11000 since Jan 2021.
It's a nice router.
Recently there is also Merlin support (beta - as of March 2021).
The main feature I found useful compared to AX88U and AX86U that the AX-11000 has VPN Fusion, which is a more complex OpenVPN client, which I wanted.
It can connect to...
I had the same issue, although in a different setup.
Aquantia 10GbE network card, and cannot access my Asus RT-86U with Merlin Firmware.
The router needed the Merlin Firmware, because the VPN configuration requires in the router the Merlin Firmware.
The router was accessible correctly with...